• Tiny
  • jyoung1990
  • 2001 Toyota Celica
  • 4 CYL
  • 2WD
  • manual
  • 136,000 miles

I have a toyota celica gt with 1.8L 1zz fe, what catalytic converter should I replace it with, and should I replace the O2 sensors while im doing so or should I use the old O2 sensors? Which O2 sensors should I use the universal ones or the denso ones? Or does it matter?

Do you
have the same problem?
Thursday, March 3rd, 2011 AT 4:08 AM

1 Reply

  • Tiny
  • vdub98
  • Member

You could get a performance catalyc converter or just the OEM one. Myself I don't like universal catalyc converters, because sometimes there has to be a mod. Done. Are your O2 sensors throwing any codes yet? But, is really up to you. You can replace them anyways. The denso, should be good. :)
Hope this helps.

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Thursday, March 3rd, 2011 AT 6:10 AM

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